tooth-defect 牙缺损
serious tooth defect 重度牙体缺损
restoration of tooth defect 牙体缺损修复
tooth cervix defect 颈部缺损
anterior tooth severe defect 前牙严重缺损
tooth wedge-shaped defect 牙体楔状缺损
sphenoid defect of tooth 牙齿楔状缺损
Objective:Tooth defect is one of the common stomatology diseases.
目的：牙体缺损是口腔科的一种常见病。
参考来源 - IPS e.max Press铸瓷全冠修复牙体缺损的临床研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Tooth defect with bad proximal relation and food impaction need recover proximal contact.
因牙体缺损的邻接不良或食物嵌塞严重，需恢复邻面接触点者。
Young patient with high requirement for appearance and long-term effect, patient with bad psychology, tooth defect of anterior tooth.
对于美观及长期效果要求高的年轻患者 或心理素质不理想的患者，前牙缺损慎 用嵌体修复。
Serious tooth defect which involved cuspid, incisal Angle, marginal ridge and occlusal surface can't be filled and need occlusal reconstruction.
各种严重的牙体缺损已涉及牙尖、切角、边缘嵴以及合面，需要咬合重建而不能使用一般充填修复者。
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